18639315

素因数分解:

$3^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{29}}^1$

素因数の和:95

約数の個数: 72

約数和(自身を含む): 36232560

約数和(自身を除く): 17593245

約数列:

[1, 3, 5, 9, 15, 23, 27, 29, 45, 69, 81, 87, 115, 135, 145, 207, 243, 261, 345, 405, 435, 529, 621, 667, 783, 1035, 1215, 1305, 1587, 1863, 2001, 2349, 2645, 3105, 3335, 3915, 4761, 5589, 6003, 7047, 7935, 9315, 10005, 11745, 14283, 15341, 18009, 23805, 27945, 30015, 35235, 42849, 46023, 54027, 71415, 76705, 90045, 128547, 138069, 162081, 214245, 230115, 270135, 414207, 642735, 690345, 810405, 1242621, 2071035, 3727863, 6213105, 18639315]

約数ペア:

[(1, 18639315), (3, 6213105), (5, 3727863), (9, 2071035), (15, 1242621), (23, 810405), (27, 690345), (29, 642735), (45, 414207), (69, 270135), (81, 230115), (87, 214245), (115, 162081), (135, 138069), (145, 128547), (207, 90045), (243, 76705), (261, 71415), (345, 54027), (405, 46023), (435, 42849), (529, 35235), (621, 30015), (667, 27945), (783, 23805), (1035, 18009), (1215, 15341), (1305, 14283), (1587, 11745), (1863, 10005), (2001, 9315), (2349, 7935), (2645, 7047), (3105, 6003), (3335, 5589), (3915, 4761)]